BIOS 252 Edapt week 1 Questions with verified
answers
______ is when we add additional motor units to increase the force and strength
of a muscle contraction. Ans✓✓✓ muscle recruitment
________ is an autoimmune disorder where antibodies attach to the Ach
receptors on the sarcolemma. Ans✓✓✓ Myasthenia gravis
A contraction with a change in length but no change in tension Ans✓✓✓ isotonic
contraction
A contraction with a change in length but no change in tension is known as
Ans✓✓✓ isotonic contraction
A muscle at rest will contract the first time with about half of the force ability of
the muscle if it were properly warmed up is known as what? Ans✓✓✓ treppe
A muscle contraction where there is no change in length Ans✓✓✓ isometric
contracction
A muscle contributes to ______ when we shiver Ans✓✓✓ thermoregulation
A real life example of a second-class lever system is a Ans✓✓✓ wheelbarrow
abducts the eyeball Ans✓✓✓ lateral rectus
, ACh will attach to __________ on the sarcolemma. Ans✓✓✓ ligand-gated
channels
Anaerobic glycolysis creates _______ of energy for the skeletal muscle. Ans✓✓✓
2 minutes
Calcium in the ECF is ________ than in the sarcoplasmic reticulum. Ans✓✓✓
More concentrated
Cardiac Ans✓✓✓ Short
Fat
Branched
Uninucleated
Striated (striped in appearance)
Attached to intercalated Discs (exoskeleton)
Contractile proteins Ans✓✓✓ actin and myosin
dorsiflexes foot at ankle joint Ans✓✓✓ tibialis anterior
extends leg at knee joint and flexes thigh at hip joint Ans✓✓✓ rectus femoris
extends the forearm Ans✓✓✓ triceps brachii
flexes vertebral column and compresses abdomen Ans✓✓✓ rectus abdominis
answers
______ is when we add additional motor units to increase the force and strength
of a muscle contraction. Ans✓✓✓ muscle recruitment
________ is an autoimmune disorder where antibodies attach to the Ach
receptors on the sarcolemma. Ans✓✓✓ Myasthenia gravis
A contraction with a change in length but no change in tension Ans✓✓✓ isotonic
contraction
A contraction with a change in length but no change in tension is known as
Ans✓✓✓ isotonic contraction
A muscle at rest will contract the first time with about half of the force ability of
the muscle if it were properly warmed up is known as what? Ans✓✓✓ treppe
A muscle contraction where there is no change in length Ans✓✓✓ isometric
contracction
A muscle contributes to ______ when we shiver Ans✓✓✓ thermoregulation
A real life example of a second-class lever system is a Ans✓✓✓ wheelbarrow
abducts the eyeball Ans✓✓✓ lateral rectus
, ACh will attach to __________ on the sarcolemma. Ans✓✓✓ ligand-gated
channels
Anaerobic glycolysis creates _______ of energy for the skeletal muscle. Ans✓✓✓
2 minutes
Calcium in the ECF is ________ than in the sarcoplasmic reticulum. Ans✓✓✓
More concentrated
Cardiac Ans✓✓✓ Short
Fat
Branched
Uninucleated
Striated (striped in appearance)
Attached to intercalated Discs (exoskeleton)
Contractile proteins Ans✓✓✓ actin and myosin
dorsiflexes foot at ankle joint Ans✓✓✓ tibialis anterior
extends leg at knee joint and flexes thigh at hip joint Ans✓✓✓ rectus femoris
extends the forearm Ans✓✓✓ triceps brachii
flexes vertebral column and compresses abdomen Ans✓✓✓ rectus abdominis
